Kafka-console-producer
kafka-console-producer is an Apache Kafka command-line utility that reads console input and publishes records to topics.
Apache Kafka in Action
kafka-console-producer.sh is an Apache Kafka command-line utility that publishes records to a topic from console input.
- How it is used
- Publishes test or simulated operational records to Kafka topics from piped or interactive console input.
- How deep it goes
- Explains topic and broker options, line-based delivery, stopping behavior, parallel producers, and consumer verification.
- Examples
- Uses coffee, pillow, and blanket price records with piped, interactive, parallel-producer, and consumer-replay demonstrations.
- What you can do after
- Operate/configure the command to publish individual records and observe them through Kafka consumers.
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Troubleshooting Java, Second Edition
kafka-console-producer is a Kafka command-line utility for publishing records to Kafka topics.
- How it is used
- Supports replaying Kafka events, inspecting messages, and verifying consumer behavior during troubleshooting.
- How deep it goes
- Defines the utility's troubleshooting role and demonstrates replay, but does not specify command syntax or options.
- Examples
- Uses missed UserRegistered events and a misconfigured consumer to validate replay into an email service.
- What you can do after
- Diagnose/debug Kafka consumption by replaying records and checking whether the consumer processes them correctly.
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Related concepts
- clientkind of · A client is a person, organization, device, or software component that receives or uses a product, service, resource, or functionality provided by another entity.
- recorduses · A Kafka record, also called a message, is a data item published to or consumed from a Kafka topic, optionally containing a key, value, and metadata.
- Apache Kafkauses · Apache Kafka is a distributed event-streaming platform for publishing, storing, processing, and consuming streams of records.
- delimiterconfigured by · A delimiter is a character, sequence, or other marker that separates or marks boundaries between portions of text or structured data.
- Kafka producerkind of · A Kafka producer is an application or client that publishes records to Kafka topics.
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